The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/temperature-profiles-from-mechanical-bathythermograph-casts-by-the-uss-john-paul-jones-in-the-n4/resource/cd5e4bd6-7966-495f-98b8-60874fd76147.
Reason: DNS lookup failure for: os-data-catalog.ngdc.noaa.gov
Additionally, a 502 Bad Gateway error was encountered while trying to use an ErrorDocument to handle the request.